$OpenBSD: patch-lex_c,v 1.6 2011/06/26 09:48:50 sthen Exp $
--- lex.c.orig	Sat Jun 25 23:40:11 2011
+++ lex.c	Sat Jun 25 23:39:40 2011
@@ -34,6 +34,8 @@
 #include <signal.h>
 #include <setjmp.h>
 #include <ctype.h>
+#include <unistd.h>
+#include <math.h>
 #include "sc.h"
 
 #ifdef NONOTIMEOUT
@@ -107,7 +109,7 @@ int
 yylex()
 {
     char *p = line + linelim;
-    int ret;
+    int ret = 0;
     static int isfunc = 0;
     static bool isgoto = 0;
     static bool colstate = 0;
@@ -642,7 +644,7 @@ nmgetch() 
 
 #endif
 
-#if defined(SYSV2) || defined(SYSV3) || defined(MSDOS)
+#if defined(SYSV2) || defined(SYSV3) || defined(MSDOS) || defined(NCURSES_VERSION)
 
 void
 initkbd()
